Correct a comment, and add timer priming macros.
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@ -1,4 +1,4 @@
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/* $NetBSD: pccreg.h,v 1.4 1996/05/08 05:55:08 thorpej Exp $ */
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/* $NetBSD: pccreg.h,v 1.5 1996/09/12 04:54:19 thorpej Exp $ */
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/*
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*
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@ -97,8 +97,7 @@ struct pcc {
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extern struct pcc *sys_pcc;
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/*
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* we lock off our interrupt vector at 0x40. if this is changed
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* we'll need to change vector.s
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* we lock off our interrupt vector at 0x40.
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*/
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#define PCC_VECBASE 0x40
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@ -144,6 +143,9 @@ extern struct pcc *sys_pcc;
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#define PCC_TIMERSTOP 0x1 /* stop clock, but don't clear it */
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#define PCC_TIMERSTART 0x3 /* start timer */
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#define pcc_timer_hz2lim(hz) (65536 - (160000/(hz)))
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#define pcc_timer_us2lim(us) (65536 - (160000/(1000000/(us))))
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/*
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* serial control
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*/
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